Windshield unit



FIG. 1 is a perspective view of the windshield unit of the present invention;

FIG. 2 is a side view thereof (the opposite side being a mirror image);

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a top view thereof. 

The ornamental design for a “windshield unit,” as shown and described. 